The LG Metrologia data breach has been posted for download on a hacker forum, where an attacker claims to have leaked the employee and client databases from lgmetrologia.com.br, a Brazilian B2B industrial metrology and calibration firm headquartered in Campinas, São Paulo. The breach includes full employee contact information, client relationship data, and possibly login credentials. The incident poses a high risk of Business Email Compromise (BEC), invoice fraud, and large-scale supply-chain phishing attacks.
Threat Summary
| Severity | Critical |
|---|---|
| Target | LG Metrologia (Brazilian industrial metrology and calibration firm) |
| Data Type | Employee PII, client contact information, company affiliations, and possible passwords |
| Primary Risk | Business Email Compromise (BEC), invoice redirection fraud, and supply-chain phishing |
| Recommended Response | Immediate password reset, client notification, MFA enforcement, and ANPD breach reporting under LGPD |
Background of the LG Metrologia Breach
LG Metrologia provides calibration, certification, and measurement services to a wide range of industrial clients across Brazil. The company is accredited by INMETRO and works closely with manufacturers, logistics operators, and quality control departments. The leaked data shows that the breach affects both internal staff and external business partners, making it one of the most dangerous types of B2B cyber incidents: a direct compromise of a trusted vendor’s relationship network.
- Source: LG Metrologia (Brazilian B2B firm)
- Leaked Data: Employee and client contact database
- Employee Records: Full names, job titles, emails, phone numbers, and IDs
- Client Affiliations: Mapping of which employees handle which partner companies
- Possible Password Exposure: Indicators suggest hashed or plaintext passwords may be included
The exposure of this “relationship map” creates a perfect foundation for invoice scams, supply-chain impersonation, and further credential-based intrusions.
Key Cybersecurity Insights
This incident highlights the growing danger of industrial and B2B vendor breaches in Latin America. The information released is not only personally identifiable but also highly valuable for financial and corporate fraud schemes.
BEC and Invoice Fraud “Goldmine”
The most immediate risk from the LG Metrologia data breach is targeted Business Email Compromise. Attackers can impersonate real employees and send fake invoices to legitimate customers using authentic context from the leak.
Example message (in Portuguese):
“Prezado [Nome do Cliente], conforme nossa última calibração (Ref #[Real Invoice ID]), informamos que nossos dados bancários foram atualizados. Favor efetuar o pagamento do saldo pendente para a nova conta abaixo.”
This kind of precise social engineering has an extremely high success rate. The inclusion of real names, job titles, and invoice references makes the fraud appear authentic to accounting departments.
Supply-Chain Attack Vector
The leaked contact data allows threat actors to launch phishing or malware campaigns against LG Metrologia’s customers. Because the company is an accredited INMETRO partner, clients expect to receive official certificates and software updates. Attackers can exploit that trust by sending malicious files disguised as calibration reports or equipment updates, potentially infecting entire corporate networks.
Credential Stuffing and Internal System Risk
If employee passwords were exposed, attackers can use those credentials to attempt logins across LG Metrologia’s internal infrastructure, including its “Login Sistema” client portal and VPN servers. This can escalate into a full network compromise, allowing the attacker to manipulate client records, issue fake invoices, or exfiltrate more sensitive data.
LGPD Compliance and Regulatory Obligations
This breach is a clear violation of Brazil’s Lei Geral de Proteção de Dados (LGPD). Because it involves personally identifiable information from employees and business partners, LG Metrologia must report the incident to the Autoridade Nacional de Proteção de Dados (ANPD) within three business days. All affected data subjects must also be informed in writing. Failure to meet these legal deadlines could result in substantial fines and administrative penalties under LGPD Articles 46 and 48.
Mitigation Strategies
For LG Metrologia
- Immediate Investigation: Engage a professional Digital Forensics and Incident Response (DFIR) firm to determine the entry vector and whether the attacker still has live access to any systems.
- Force Password Reset and MFA: Reset all passwords across employee and client portal accounts and enforce Multi-Factor Authentication to prevent re-entry by attackers.
- Client and Partner Notification: Notify all customers and vendors through verified, out-of-band communication channels such as official phone calls. Warn them explicitly about invoice-redirection scams impersonating LG Metrologia staff.
- Regulatory Reporting: Submit a formal breach report to the ANPD within three business days, as required by LGPD, and maintain documentation for compliance verification.
- Security Awareness Training: Conduct company-wide phishing simulations and communication drills to strengthen employee readiness for follow-up attacks.
For Employees
- Be aware that your personal information is now public and could be used for impersonation or phishing.
- Change all passwords immediately, including any reused on personal accounts.
- Do not click on email links or attachments that appear to come from internal IT or HR departments unless verified by phone or in person.
For Clients and Business Partners
- Verify all bank or invoice changes through a direct phone call with your known LG Metrologia contact.
- Treat all emails from lgmetrologia.com.br as potentially compromised until further notice.
- Do not download calibration certificates or system updates unless confirmed via official LG channels.
Industry Impact and Lessons Learned
The LG Metrologia data breach shows how a single compromise in a mid-sized industrial service provider can ripple across an entire ecosystem of businesses. Attackers increasingly target smaller B2B vendors because they offer a bridge to larger corporate clients through email trust relationships. Supply-chain security must now be considered an essential part of corporate cybersecurity planning in Brazil and throughout Latin America.
Organizations should adopt continuous monitoring, strict MFA enforcement, and mandatory verification for all financial communications. The combination of contact databases and email access makes BEC one of the most damaging and underreported cybercrimes affecting the region.
For verified updates on data breaches, cybersecurity reports, and LGPD compliance guidance, visit Botcrawl for expert coverage and threat intelligence summaries.
